About
Dr. David Dayya is a triple board-certified physician practicing in New Canaan, CT. He holds board certifications in Primary Care and Family Medicine, Public Health, and Undersea and Hyperbaric Medicine. He earned his medical doctoral degree from the University of Medicine and Dentistry of New Jersey. He then completed a PhD and an MPH at the University of Connecticut. Fewer than 3% of all physicians hold that combination of degrees. He serves as a Clinical Associate Professor at the Yale School of Medicine. He also held the role of Associate Medical Director of Undersea and Hyperbaric Medicine at Northwell Health. His published work spans wound care, public health, and hyperbaric medicine.
Early in his career, Dr. Dayya served Native American communities in California and medically underserved populations in the Bronx. Those experiences grounded his commitment to Community Oriented Primary Care. He believes medicine means marrying science with service. His clinical focus spans longevity, lifestyle medicine, and whole-person care. Outside the clinic, he has paddleboarded for over a decade and competed in endurance events. He enjoys outdoor activities with his family and applies that same active philosophy to the care he delivers.
Education & Training
Medical School
University of Medicine and Dentistry of New Jersey
Additional Training
PhD, University of Connecticut; MPH, University of Connecticut; Advanced training in Undersea & Hyperbaric Medicine; Clinical Associate Professor, Yale School of Medicine
Certifications
Conditions Treated
Who is Dr. Dayya right for?
Dr. Dayya suits adults who want a physician focused on prevention, longevity, and root-cause care. Patients managing chronic conditions, weight, sleep disorders, or stress-related health issues benefit from his integrative approach. His background in public health makes him effective with patients who want data-driven strategies alongside clinical care. Those seeking wound care or hyperbaric medicine services will find specialized expertise. Patients who value a physician who coordinates specialist relationships and hospital care will find his network particularly useful.
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Frequently Asked Questions
Dr. Dayya treats chronic conditions, sleep disorders, obesity, and stress-related conditions. He also provides wound care and hyperbaric medicine services. His preventive focus means he works with patients on disease prevention and longevity optimization, not only acute problems.
Yes. Dr. Dayya holds triple board certification in Primary Care and Family Medicine, Public Health, and Undersea and Hyperbaric Medicine. This combination gives him a clinical range that few primary care physicians offer.
Dr. Dayya serves as a Clinical Associate Professor at the Yale School of Medicine. He previously served as Associate Medical Director of Undersea and Hyperbaric Medicine at Northwell Health. He has published work in wound care, public health, and hyperbaric medicine.
Dr. Dayya earned a DO from the University of Medicine and Dentistry of New Jersey. He also holds a PhD and an MPH from the University of Connecticut. Fewer than 3% of physicians in the country hold that combination.
Dr. Dayya believes health means optimizing how you live every day, not just treating illness. He integrates preventive, functional, and evidence-based strategies into each care plan. He describes his approach as marrying science with service.
Yes. Dr. Dayya holds board certification in Undersea and Hyperbaric Medicine and offers hyperbaric medicine services. He also provides diving medicine consultations and physicals, which he offers on a cash-pay basis.
Dr. Dayya has served Native American communities in California and medically underserved populations in the Bronx borough of New York City. Those experiences shaped his commitment to Community Oriented Primary Care and patient-centered medicine.
Yes. Dr. Dayya continues to refer patients to trusted specialists in the New Canaan area and surrounding communities. Through his CCPHP partnership, he can also connect patients to more than 70,000 Castle Connolly Top Doctors nationwide.
Dr. Dayya offers preventive medicine, healthspan planning, longevity-focused care, advanced screenings, genetic testing, cardiovascular risk assessment, and hyperbaric medicine. These services are designed to support long-term wellness goals alongside standard primary care.
Doctor profile last updated November 1, 2026